/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "Common.h"
#include "RealmList.h"
#include "Database/DatabaseEnv.h"

RealmList::RealmList() :
		m_UpdateInterval(0), m_NextUpdateTime(time(NULL)) {
}

// Load the realm list from the database
void RealmList::Initialize(uint32 updateInterval) {
	m_UpdateInterval = updateInterval;

	// Get the content of the realmlist table in the database
	UpdateRealms(true);
}

void RealmList::UpdateRealm(uint32 ID, const std::string& name,
		const std::string& address, uint32 port, uint8 icon, uint8 color,
		uint8 timezone, AccountTypes allowedSecurityLevel, float popu,
		uint32 build) {
	// Create new if not exist or update existed
	Realm& realm = m_realms[name];

	realm.m_ID = ID;
	realm.name = name;
	realm.icon = icon;
	realm.color = color;
	realm.timezone = timezone;
	realm.allowedSecurityLevel = allowedSecurityLevel;
	realm.populationLevel = popu;

	// Append port to IP address.
	std::ostringstream ss;
	ss << address << ":" << port;
	realm.address = ss.str();
	realm.gamebuild = build;
}

void RealmList::UpdateIfNeed() {
	// maybe disabled or updated recently
	if (!m_UpdateInterval || m_NextUpdateTime > time(NULL))
		return;

	m_NextUpdateTime = time(NULL) + m_UpdateInterval;

	// Clears Realm list
	m_realms.clear();

	// Get the content of the realmlist table in the database
	UpdateRealms();
}

void RealmList::UpdateRealms(bool init) {
	sLog->outDetail("Updating Realm List...");

	PreparedStatement *stmt = LoginDatabase.GetPreparedStatement(
			LOGIN_GET_REALMLIST);
	PreparedQueryResult result = LoginDatabase.Query(stmt);

	// Circle through results and add them to the realm map
	if (result) {
		do {
			Field *fields = result->Fetch();
			uint32 realmId = fields[0].GetUInt32();
			const std::string& name = fields[1].GetString();
			const std::string& address = fields[2].GetString();
			uint32 port = fields[3].GetUInt32();
			uint8 icon = fields[4].GetUInt8();
			uint8 color = fields[5].GetUInt8();
			uint8 timezone = fields[6].GetUInt8();
			uint8 allowedSecurityLevel = fields[7].GetUInt8();
			float pop = fields[8].GetFloat();
			uint32 build = fields[9].GetUInt32();

			UpdateRealm(
					realmId,
					name,
					address,
					port,
					icon,
					color,
					timezone,
					(allowedSecurityLevel <= SEC_ADMINISTRATOR ?
							AccountTypes(allowedSecurityLevel) :
							SEC_ADMINISTRATOR), pop, build);

			if (init)
				sLog->outString("Added realm \"%s\".", fields[1].GetCString());
		} while (result->NextRow());
	}
}
